The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 17, 1984
Filed:
Jul. 15, 1981
Applicant:
Inventors:
Bernard Plaquin, Aulnoye Aymeries, FR;
Paul Bounie, Aulnoye Aymeries, FR;
Jean Mantelle, Aulnoye Aymeries, FR;
Assignee:
Vallourec, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ; F16L / ; F16L / ; F16L / ;
U.S. Cl.
CPC ...
285 92 ; 285-3 ; 285321 ; 285381 ; 285390 ;
Abstract
Joint for pipes of the type in which an end of a male member (1) provided with a thread is screwed into a female member (2) having a corresponding thread. On its outer surface, the male member has a circumferential groove (9) and on the inner surface the female member has a circumferential groove (10) which, in the screwed position, faces the groove of the male member. A spring ring (12) is provided to simultaneously engage in the said grooves. At least one of the grooves has an adequate radial depth to permit the retraction of the spring ring when the male member is engaged in the female member.